Accession No

4090

Brief Description

fibre case for Einthoven String Galvanometer, by Cambridge Instrument Company Ltd., English, 1924

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

electrical

Earliest Date

1924

Latest Date

1924

Inscription Date

Material

metal (brass); glass

Dimensions

length 231mm; breadth 103mm; height 75mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

Description Notes

Brass fibre case for Einthoven string galvanometer. Case itself has small aperture (glass missing) through which the fibre can be seen. Two terminals for connection to galvanometer. Two brass screws for levelling fibre. Knurled brass screw to adjust sensitivity, by adjusting the tension of the fibre; carries brass stop, to prevent fibre being broken.

Condition fair; complete.

References

Events